Nuclear power can generate electricity without greenhouse gas emissions. However, there are concerns about its safety. Learn about the safety and health concerns associated with the threat of nuclear meltdowns, as well as the challenges involved in storing radioactive waste.he isotope U-235 is important because it can be used in the nuclear fission chain reaction to create a lot of energy. Unlike the uranium used in a nuclear bomb, which is about 90% enriched with the isotope U-235, the uranium used in a nuclear reactor is only slightly enriched, to about four or five percent.
1 Professional sod installation typically costs $500 to $1,000 for a 2,000 sq. ft. or smaller lawn. 2  Per square foot installation costs average $.50 to $1.00. 3  Installing sod on smaller lawns tends to cost more per square foot.
1 Usually the cost per square foot is lower for a large, flat area that can be installed mechanically, averaging 15-24 cents or $6,500-$10,500 an acre (43,560 square feet).q Ft of Sod: 1000 sq ft. Installer: The price of sod is much higher at lowes and home depot approximetly .37cents a sq ft and buying direct from the grower was 32 cents. this was for Fescue, Hibrid is much higher.